Copper-copper iodide hybrid nanostructure as hole transport material for efficient and stable inverted perovskite solar cells

  • Jing CaoEmail author
  • Binghui WuEmail author
  • Jian Peng
  • Xiaoxia Feng
  • Congping Li
  • Yu TangEmail author


A CuI coated Cu hybrid nanostructure by partial iodation of Cu nanowires was used as hole transport material (HTM) to enhance the charge transfer in inverted perovskite solar cells (PSCs). The outer CuI achieved efficient charge extraction, and the inner copper facilitated the extracted charges to be rapidly transferred, further improving the overall cell performance. Furthermore, we employed a mixture of [6,6]-phenyl-C71-butyric acid methyl ester (PCBM) and ZnO nanoparticles as electron transport material (ETM) to achieve the fabrication of stable PSCs. The best efficiency was up to 18.8%. This work represents a fundamental clue for the design of efficient and stable PSCs using the chemical in-situ construction strategy for HTM and integration of PCBM and ZnO as ETM.


Cu@CuI hybrid nanostructure efficient and stable perovskite solar cells PCBM/ZnO 


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This work was supported by the National Natural Science Foundation of China (21801104, 21871121, 21471071, 21431002, 21805232), and the Fundamental Research Funds for the Central Universities of China (lzujbky-2018-k08, lzujbky-2018-ot01, 20720180061).

Supplementary material

11426_2018_9386_MOESM1_ESM.pdf (538 kb)
Copper-Copper Iodide Hybrid Nanostructure as Hole Transport Material for Efficient and Stable Inverted Perovskite Solar Cells


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical EngineeringLanzhou UniversityLanzhouChina
  2. 2.Pen-Tung Sah Institute of Micro-Nano Science and TechnologyXiamen UniversityXiamenChina

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